Home / 31,032.74-42,825.74-16,885.58

Finding the Fourth Proportional to 31,032.74, 42,825.74 and 16,885.58

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Solution

The fourth proportional to 31,032.74, 42,825.74 and 16,885.58 is: 23,302.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,032.74 : 42,825.74 = 16,885.58 : x
  2. Step 2: Convert to fraction form
    31,032.74/42,825.74 = 16,885.58/x
  3. Step 3: Cross multiply
    31,032.74x = 42,825.74 × 16,885.58
  4. Step 4: Simplify right side
    31,032.74x = 723,137,160.27
  5. Step 5: Solve for x
    x = 723,137,160.27/31,032.74
  6. Step 6: Final answer
    x = 23,302.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.